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Finding the Third Proportional to 60,318 and 128,652

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Solution

The third proportional to 60,318 and 128,652 is: 274,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,318 : 128,652 = 128,652 : x
  2. Step 2: Convert to fraction form
    60,318/128,652 = 128,652/x
  3. Step 3: Cross multiply
    60,318x = 128,652 × 128,652
  4. Step 4: Simplify right side
    60,318x = 16,551,337,104
  5. Step 5: Solve for x
    x = 16,551,337,104/60,318
  6. Step 6: Final answer
    x = 274,401.29

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.